8.21037
聚乙二醇
2000, for synthesis
别名:
聚（乙二醇）, 聚乙二醇，聚环氧乙烷，聚氧乙烯，PEG 2000, PEG
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线性分子式:
H(OCH2CH2)nOH
化学文摘社编号:
NACRES:
NA.22
EC Index Number:
500-038-2
UNSPSC Code:
13111021
MDL number:
InChI
1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2
InChI key
LYCAIKOWRPUZTN-UHFFFAOYSA-N
vapor pressure
<0.1 hPa
form
flakes
autoignition temp.
420 °C
potency
28000 mg/kg LD50, oral (Rat), >20000 mg/kg LD50, skin (Rabbit)
greener alternative product characteristics
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pH
4-7 (20 °C, 100 g/L in H2O)
kinematic viscosity
46-55 cSt(20 °C) (50% solution)
mp
49-52 °C
transition temp
flash point 250 °C
solubility
600 g/L
density
1.21 g/cm3 at 20 °C
bulk density
400‑500 kg/m3
greener alternative category
storage temp.
no temp limit
Quality Level
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General description
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Green Chemistry. Polyethylene glycol (PEG) is an eco-friendly, biodegradable polymer widely used in pharmaceuticals and cosmetics. Its non-toxic nature and versatility make it a sustainable choice, derived from renewable resources, contributing to greener product formulations. Click here for more information.
Application
聚乙二醇2000是一种亲水线型聚合物，可用于以下应用：
- 金属纳米颗粒合成中用于控制纳米结构尺寸和形态的的有机添加剂。
- 通过一锅水热法制备耐酸高荧光碳点（CD）的碳源。
- 通过微波辐照法合成无定形Fe2O3纳米颗粒的分散稳定剂。在合成过程中，PEG-2000可抑制非均相沉淀以实现金属纳米颗粒的均相沉淀。
Analysis Note
羟基值：51 - 63
熔程（下限值）： ≥ 50 °C
熔程（上限值）： ≤ 55 °C
平均分子量：1900 - 2200
同一性（IR）：通过测试
熔程（下限值）： ≥ 50 °C
熔程（上限值）： ≤ 55 °C
平均分子量：1900 - 2200
同一性（IR）：通过测试
存储类别
10 - Combustible liquids
wgk
WGK 1
flash_point_f
281.5 °F - closed cup
flash_point_c
138.6 °C - closed cup
Yujuan Chen et al.
ACS omega, 2(8), 5251-5259 (2017-08-31)
Acidophilic highly-photoluminescent ionic liquid (IL)-modified carbon dots (CDs) were fabricated directly from polyethylene glycol-2000 (PEG2000N) by a simple one-step hydrothermal method in a system containing an IL (1-butyl-3-methylimidazolium bromide [C4mim]Br) and hydrochloric acid (HCl). In this process, PEG2000N works as
Synthesis of amorphous Fe2O3 nanoparticles by microwave irradiation
Liao Xuehong, et al.
Materials Letters, 50(5-6), 341-346 (2001)
Solvothermal synthesis and characterization of crystalline CaWO4 nanoparticles
Chen S-J, et al.
Journal of Crystal Growth, 253(1-4), 361-365 (2003)
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